<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        p{
      text-shadow: 10px 10px 2px red;
        }


       .box{
            width: 150px;
           height: 100px;
           background-color: green;
            word-wrap: break-word;
        }8
    </style>
</head>
<body>
<div>
   <p>我是文本</p>

    <div class="box">ffffffffffffffffffsdafffffffffffffffffsjhhhhhhhhhhhhhhhhhhhjkkkkkkkkkkkkkkkkkkkjadfsdafffffffffffff</div>
</div>

</body>
</html>